REDHAT-BUG-1823960
First published: Tue Apr 14 2020(Updated: )
A flaw was found in the way the TLS implementation in the JSSE component of OpenJDK re-used single null TLS sessions for new TLS connections. A remote attacker could possibly use this flaw to impact availability of a Java application providing TLS server.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sun JSSE |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.oracle.com/security-alerts/cpuapr2020.html#AppendixJAVA
- https://access.redhat.com/errata/RHSA-2020:1508
- https://access.redhat.com/errata/RHSA-2020:1507
- https://access.redhat.com/errata/RHSA-2020:1506
- https://access.redhat.com/errata/RHSA-2020:1509
- https://access.redhat.com/errata/RHSA-2020:1512
- https://access.redhat.com/errata/RHSA-2020:1514
- https://access.redhat.com/security/cve/cve-2020-2781
- https://access.redhat.com/errata/RHSA-2020:1517
- https://access.redhat.com/errata/RHSA-2020:1516
- https://access.redhat.com/errata/RHSA-2020:1515
- http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/9261116c4dad
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/b6be024c35ca
- http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/fe2a830bf68a
- https://access.redhat.com/errata/RHSA-2020:2236
- https://access.redhat.com/errata/RHSA-2020:2237
- https://access.redhat.com/errata/RHSA-2020:2239
- https://access.redhat.com/errata/RHSA-2020:2238
- https://access.redhat.com/errata/RHSA-2020:2241
- https://bugzilla.redhat.com/show_bug.cgi?id=1823960
Frequently Asked Questions
What is the severity of REDHAT-BUG-1823960?
The severity of REDHAT-BUG-1823960 is considered moderate due to its potential impact on the availability of Java applications using TLS.
How do I fix REDHAT-BUG-1823960?
To fix REDHAT-BUG-1823960, you should update to the latest version of OpenJDK that addresses this TLS implementation flaw.
What versions of OpenJDK are affected by REDHAT-BUG-1823960?
REDHAT-BUG-1823960 affects certain versions of the JSSE component in OpenJDK implementations.
Can REDHAT-BUG-1823960 lead to a denial of service attack?
Yes, REDHAT-BUG-1823960 can allow a remote attacker to impact the availability of a Java application providing TLS services.
Is there a workaround for REDHAT-BUG-1823960?
Currently, the recommended approach for REDHAT-BUG-1823960 is to apply the applicable security updates rather than relying on workarounds.
- agent/references
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-2781
- agent/severity
- agent/description
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/openjdk
- canonical/sun jsse